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    • 4. 发明授权
    • Electronic pocket spirometer
    • 电子口袋肺活量计
    • US5816246A
    • 1998-10-06
    • US651119
    • 1996-05-21
    • M. Zubair Mirza
    • M. Zubair Mirza
    • A61B5/09
    • A61B5/09
    • This invention relates generally to instrumentation for pulmonary monitoring and diagnosis and particularly to a compact, hand held, battery powered spirometer, measuring and monitoring expiratory and inspiratory flow rates, volumes and other lung function parameters. An electronic "pocket" spirometer comprises an elongated handle having a mouth piece connected to a flow chamber mounted on one end thereof as an integral assembly. The flow chamber includes a centrally mounted pivotal vane which is restrained by a spring and driven by incoming breath to provide an output signal through an optical encoder to a microprocessor. The vane may move forward or backward providing expiratory as well as inspiratory flow/volume measurement. An optical wheel is locked in synch with the vane and moves correspondingly to activate the encoder which supplies flow rate and volume signals and other calculated parameters to an LCD display. The flow chamber is removable, washable and reusable which eliminates the need for a filter to prevent cross contamination with subsequent users as well as eliminates a variable and a possible source of error in measurement.
    • 本发明一般涉及用于肺部监测和诊断的仪器,特别涉及一种紧凑型手持式电池供电肺活量计,用于测量和监测呼气和吸气流速,体积和其他肺功能参数。 电子“口袋”肺活量计包括细长手柄,其具有连接到作为整体组件安装在其一端上的流动室的口部件。 流动室包括居中安装的枢转叶片,其由弹簧约束并由进入的呼吸驱动,以通过光学编码器向微处理器提供输出信号。 叶片可以向前或向后移动,提供呼气以及吸气流量/体积测量。 光学轮与叶片锁定同步并相应地移动以激活向LCD显示器提供流量和体积信号以及其它计算参数的编码器。 流动室是可移除的,可洗涤的和可重复使用的,这消除了对过滤器的需要,以防止后续用户的交叉污染以及消除变量和可能的测量误差源。
    • 5. 发明授权
    • Trocar system
    • 套管车系统
    • US5290243A
    • 1994-03-01
    • US915337
    • 1992-07-16
    • Ingram S. ChodorowM. Zubair Mirza
    • Ingram S. ChodorowM. Zubair Mirza
    • A61B17/34A61M5/18
    • A61B17/3496
    • A trocar system is provided for use in obtaining access into a body cavity for laparoscopic/endoscopic procedures. The trocar system includes a protective housing releasably secured to a trocar housing. An obturator shaft is slidably mounted within the housings and has a stylet at an end thereof terminating at a sharp tip. The obturator shaft is movable in a direction of movement between a retracted position, wherein the sharp tip is retracted into the protective housing, and an extended position, wherein the sharp tip extends out of the protective housing. The trocar system also includes a latching and release mechanism provided within the trocar housing for latching the shaft in its extended position and for releasing the shaft to allow retraction thereof to its retracted position. This latching and release mechanism includes a slide plate movable between first and second positions for permitting movement of the obturator shaft between its retracted and extended positions.
    • 提供了套管针系统,用于获得进入体腔以进行腹腔镜/内窥镜手术。 套管针系统包括可释放地固定到套管针壳体的保护壳体。 闭塞轴可滑动地安装在壳体内,并且在末端具有尖端的探针。 闭塞轴可以在其中尖锐尖端缩回保护壳体的缩回位置和延伸位置之间的运动方向上移动,其中尖锐的尖端延伸出保护壳体。 套管针系统还包括设置在套管针壳体内用于将轴锁定在其延伸位置并用于释放轴以允许其缩回其缩回位置的闩锁和释放机构。 该锁定和释放机构包括可在第一和第二位置之间移动的滑板,用于允许闭塞轴在缩回位置和伸出位置之间移动。
    • 9. 发明授权
    • Portable peak flow meter
    • 便携式峰值流量计
    • US5224487A
    • 1993-07-06
    • US734198
    • 1991-07-22
    • Steven BellofattoM. Zubair Mirza
    • Steven BellofattoM. Zubair Mirza
    • A61B5/08A61B5/087A61B5/097
    • A61B5/0871
    • A portable peak flow meter for monitoring the expiratory flow rate of a user includes an on-line metering unit having a combination cover and handle. The metering unit, which has opposed mouthpiece and exit ends, is of generally rectangular construction. A pair of opposed and hinged cover elements are pivotly mounted to the side walls of the metering unit, and pivot from a first position in which they embrace and cover the mouthpiece, to a second position perpendicular to the length of the metering unit in which they serve as a handle. The cover elements both maintain the mouthpiece in a sanitary condition when the unit is not in use and allows the unit to be held in a manner where the user's hand is distanced from the meter, thus preventing interference with operation of the unit.
    • 用于监测使用者的呼气流量的便携式峰值流量计包括具有组合盖和手柄的在线计量单元。 具有相对的接口和出口端的计量单元通常是矩形结构。 一对相对和铰接的盖元件枢转地安装到计量单元的侧壁上,并且从它们包围并覆盖接口管的第一位置枢转到与计量单元的长度垂直的第二位置,在该第二位置, 作为一个句柄。 当单元不使用时,盖元件在保持卫生状态下保持接口,并且允许单元以用户的手离开仪表的方式保持,从而防止对单元的操作的干扰。